* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0a1428;
    color: #ffffff;
    line-height: 1.6;
}

header {
    background-color: #0f1e3c;
    padding: 1rem 5%;
    border-bottom: 2px solid #1a3a64;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4da3ff;
}

.team {
    font-size: 0.9rem;
    color: #8899ac;
}

.hero {
    text-align: center;
    padding: 5rem 10%;
    background: linear-gradient(180deg, #0f1e3c 0%, #0a1428 100%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.hero p {
    font-size: 1.2rem;
    color: #a0aec0;
    margin-bottom: 2.5rem;
}

.download-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.download-btn {
    background-color: #4da3ff;
    color: #0a1428;
}

.download-btn:hover {
    background-color: #3391ff;
    transform: translateY(-2px);
}

.download-btn.secondary {
    background-color: transparent;
    border: 2px solid #4da3ff;
    color: #4da3ff;
}

.gallery {
    padding: 5rem 5%;
    text-align: center;
}

.gallery h2 {
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #4da3ff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item img {
    width: 100%;
    border-radius: 10px;
    border: 2px solid #1a3a64;
    transition: transform 0.3s;
}

.gallery-item img:hover {
    transform: scale(1.05);
}

.features-list {
    padding: 5rem 10%;
    background-color: #0d1b32;
}

.features-list h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #4da3ff;
}

.feature-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.col h3 {
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #4da3ff;
    padding-bottom: 0.5rem;
}

.col ul {
    list-style: none;
}

.col li {
    margin-bottom: 0.5rem;
    color: #a0aec0;
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: #071021;
    color: #718096;
    font-size: 0.85rem;
}